MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to disposable hosting and are structured as a link farm. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for phishing or malware distribution. The embedded JavaScript is a common method for initiating malicious actions within PDF documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16136323f00a4c---69193067939.pdf In PDF document text
- https://gobelsprofil.com/upload/files/futafavogavekofuxene.pdfIn PDF document text
- http://saktigroup.in/uploads/vosovujojusunivovolisab.pdfIn PDF document text
- https://kawanmto.net/contents/files/92027646721.pdfIn PDF document text
- http://capitolmetrophysicaltherapy.com/userfiles/file/25152363678.pdfIn PDF document text
- https://guineaservicesproviders.com/gsp/files/xijesejikaxugilowuvut.pdfIn PDF document text
- http://korsorlampang.net/user_img/files/46636621069.pdfIn PDF document text
- http://ux02.wadhost.com/js/ckfinder/userfiles/files/51878570026.pdfIn PDF document text
- http://yuilchem.com/userData/board/file/2766000114.pdfIn PDF document text
- https://osakaav.com/userfiles/files/21675146497.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/1b352217960fd557a21b686ea5847117/fofimilugonusuzafub.pdfIn PDF document text
- https://farmacieitaliane.com/documenti/file/karifov.pdfIn PDF document text
- https://boumqueur-edition.com/upload/fckeditor/file/simumufapuroj.pdfIn PDF document text
- http://businessnavigator.in/ckeditor/uploads/files/11368115565.pdfIn PDF document text
- https://storycycle.com/ckfinder/userfiles/files/guvuvelilu.pdfIn PDF document text
- http://dotykbylinky.sk/_subory/subory/37696331340.pdfIn PDF document text
- http://nadiadsa.org/userfiles/file/49794569595.pdfIn PDF document text
- http://perfect-gallery.com/userfiles/file/gobukafofuj.pdfIn PDF document text
- http://fleshlight-tw.com/userfiles/file/13141852077.pdfIn PDF document text
- http://maryalo.com/userData/board/file/37504553192.pdfIn PDF document text
- http://terezszilvia.com/images/uploaded/file/15920205219.pdfIn PDF document text
- http://lidaoxc.com/upload/files/figekeloletedak.pdfIn PDF document text
- http://qiuyutv.com/userfiles/files/20210908012051.pdfIn PDF document text
- http://ndt-ultratech.com/files/26040853667.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=how+to+enable+usb+otg+on+android+without+rootPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e1b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1B2 | 19284 bytes |
SHA-256: a321bd59ae558ec04ecfafa984136ce1bcefee30bf9f368c7d5fa3dd0443c3aa |
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font_01_sfnt_off00011319.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11319 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012b30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B30 | 10844 bytes |
SHA-256: dd1b6c6fc7ebf44c624fb2af09bf5f375688de866a4668d47dfcddaa75fe021d |
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